Interleukin-2 expression in lupoid and usual types of old world cutaneous leishmaniasis

Iranian Red Crescent Medical Journal
Vahid Mashayekhi GoyonloKlas Nordlind

Abstract

Interleukin (IL)-2 plays a central role in T cell-dependent immune responses. We conducted this study to determine and compare IL-2 expression in lupoid and usual types of Old World Cutaneous Leishmaniasis (OWCL), using immunohistochemistry. Thirteen paraffin-embedded specimens of lupoid and 12 specimens of usual types of OWCL were used. A mouse monoclonal anti IL-2 antibody was used for staining by the envision technique. There were strongly stained discrete foci of staining through inflammatory infiltrates of dermis and also in basal layers of epidermis and adnexal structures, with a distinctive pattern of hot spot activity foci (mean of 9.31 ± 6.4 versus 8.17 ± 6.9 foci per HPF for lupoid and usual types, respectively). The expression of IL-2 had no correlation with the pattern of granulomatous inflammation (tuberculoid, sarcoidal or mixed suppurative). Interleukin-2 takes part in the immunological response of the granulomatous reaction of OWCL and is not statistically different between lupoid and usual types (P = 0.674).

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Citations

Sep 24, 2016·Pathogens and Global Health·Nahid MaspiFathemeh Ghaffarifar

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